Reports

Every year, we submit reports to the World Health Organisation (WHO) to help inform vaccine development.

We submit reports for the WHO annual consultation on the composition of influenza vaccine for the Northern Hemisphere in February, and for the Southern Hemisphere in September. Below you can access all of our reports dating back to 2003.

  • February 2018 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and influenza B viruses collected between September 2017 and February 2018.

  • September 2017 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and influenza B viruses collected between February 2017 and September 2017.

  • February 2017 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2016 and February 2017. 

  • September 2016 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2016 and September 2016. 

  • February 2016 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2015 and February 2016.

  • September 2015 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2015 and September 2015.

  • February 2015 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2014 and February 2015.

  • September 2014 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February and September 2014.

  • February 2014 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses between September 2013 and February 2014.

  • September 2013 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses February and September 2013.

  • February 2013 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2012 and February 2013.

  • September 2012 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2012 and September 2012.

  • February 2012 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2011 and September 2011.

  • September 2011 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2011 and September 2011.

  • February 2011 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2010 and February 2011.

  • September 2010 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between February 2010 and August 2010.

  • February 2010 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between September 2009 and February 2010.

  • September 2009 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B virusescollected between February 2009 and August 2009.

  • February 2009 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses collected between October 2008 and February 2009.

  • September 2008 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated February 2008 to July 2008.

  • March 2008 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated September 2007 to February 2008.

  • September 2007 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated February to August 2007.

  • March 2007 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated September 2006 to February 2007.

  • September 2006 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated January to September 2006.

  • March 2006 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated October 2005 to February 2006.

  • September 2005 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated February to July 2005.

  • February 2005 interim report
    Describes the characteristics of human influenza A(H1N1), A(H3N2) and B viruses isolated October 2004 to January 2005.

  • 2004 annual report
    Describes data obtained between August 2003 and July 2004.

  • 2003 annual report
    Describes data obtained between August 2002 and July 2003.